macadress

Crossmatch Technologies/HID Global

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:06:33:00:00:00 /24
Vendor addressUnstrutweg 4 Jena DE 07743
Country🇩🇪  Germany
RegisteredJun 4, 2001
Block range00:06:33:00:00:00– 00:06:33:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Ownership timeline

  1. Jun 4, 2001 – Feb 6, 2005 Heimann Biometric Systems GmbH name changedaddress changed
  2. Feb 6, 2005 – Aug 18, 2007 Smiths Heimann Biometric Systems name changed
  3. Aug 18, 2007 – Jul 29, 2023 Cross Match Technologies GmbH name changed
  4. Jul 29, 2023 – Aug 2, 2023 HID Global name changed
  5. Aug 2, 2023 – present Crossmatch Technologies/HID Global

Example addresses in this block

00:06:33:00:00:00 00:06:33:7F:FF:FF 00:06:33:FF:FF:FF

Where this block sits

Previous 00:06:32:00:00:00 /24 Mesco Engineering GmbH Next 00:06:34:00:00:00 /24 GTE Airfone Inc.

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Crossmatch Technologies/HID Global holds 2 registered blocks in the IEEE registry, ranking #1,811 of 33,427 organizations by block count.

Other blocks registered to Crossmatch Technologies/HID Global

00:30:8E:00:00:00 /24 MA-L